Asked by abdalla
An electron accelerated from rest through a potential difference of 50v acquires a speed of 4.2x10^6m/s write down the speed that a potential difference of 200v would produce ?
Answers
Answered by
bobpursley
velocity^2 = k*energy
you increase the energy by (200/50)^2=4
so speed doubles.
you increase the energy by (200/50)^2=4
so speed doubles.
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